Patch antenna



FIG. 1 is a top perspective view of a patch;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a right-side view thereof;

FIG. 7 is a left-side view thereof;

FIG. 8 is an enlarged left-side view of a cross-section of the patchantenna taken along the line 8-8 shown in FIG. 2 ; and,

FIG. 9 is an enlarged right-side view of an enlarged cross-section ofthe patch antenna taken along the line 9-9 shown in FIG. 2 .

CLAIM The ornamental design for a patch antenna, as shown and described.